FAN4800ASNY

Power Factor Correction (PFC) is a technique used in power electronics to improve the energy efficiency and reliability of electronic systems. The FAN4800ASNY is a PFC controller designed for applications such as switched-mode power supplies, uninterruptible power supplies (UPS), or other power conversion applications. The FAN4800ASNY supports both low- and high-current applications and provides a robust, cost-effective solution for a wide range of power supply design needs.

The FAN4800ASNY utilizes a patented Asynchronous PFC architecture to achieve high-efficiency power conversion. This architecture uses a combination of analog, digital and switching technologies to regulate voltage and current, while minimizing conduction and switching losses. Additionally, the FAN4800ASNY incorporates advanced, adaptive controls to maximize power factor correction under a wide range of load conditions, enabling high-power, high-efficiency designs.

The FAN4800ASNY is highly integrated, which reduces circuit complexity and component count. It features integrated power switches and an integrated, high-voltage current-sense amplifier. The device also features a high-frequency, low-noise, spread-spectrum, current mode PWM control system with skip-cycle operation and adjustable deadtime for noise reduction. Additionally, the FAN4800ASNY supports several active power-saving operating modes, as well as mute and temperature protection.

The FAN4800ASNY’s intuitive design enables easy implementation in new and existing designs. The device includes an integrated OCP (Over Current Protection) circuit with an adjustable peak current limit and selectable auto-recovery or latching modes to protect against current overloads. Additionally, the device includes active inrush current limiting, spread-spectrum switching and adjustable loop parameters for minimizing EMI (electromagnetic interference).

To further streamline design, the FAN4800ASNY also includes a built-in power supply module with an adjustable output voltage range of up to 500V. Additionally, it includes a comprehensive monitoring and protection feature set, including input/output capacitor temperature monitoring, UVLO (Under Voltage Lockout), OVP (Overvoltage Protection) and OTP (Over Temperature Protection).

The FAN4800ASNY is available in multiple packages, including QFN, SMD and SOIC, to accommodate a wide variety of applications. Additionally, the device is RoHS compliant and lead-free, making it an ideal choice for high-reliability, low-cost solutions.

In summary, the FAN4800ASNY is a high-performance, low-cost power factor correction controller designed for a variety of applications. Its integrated features, comprehensive protection, and intuitive design simplify design, reduce component count, and improve energy efficiency. Ultimately, the FAN4800ASNY enables cost-effective, high-efficiency solutions for a wide range of power supply needs.